16-Bit, High-Speed, Programmable Bipolar Input Ranges, SAR ADC.
SGM51622H SGM51622H.pdf

No.14064

FEATURES

 16 Bits ADC:

    SGM51613H: 800kSPS

    SGM51652H: 500kSPS

    SGM51622H: 250kSPS

 Supported Input Ranges:

    Bipolar Single-Ended Ranges: ±10.24V, ±5.12V, and ±2.56V

  Unipolar Single-Ended Ranges: 0V to 10.24V and 0V to 5.12V

    Bipolar Differential Ranges: ±10.24V, ±5.12V, and ±2.56V

 Supply Voltage Ranges:

    Analog Supply: 5V

    I/O Supply: 1.65V to 5V

 On-Chip Reference: 4.096V

 Differential Nonlinearity (DNL):

    SGM51622H/SGM51652H:

    0.55LSB/+0.75LSB (TYP) for All Bipolar Ranges

    0.7LSB/+1.2LSB (TYP) for All Unipolar Range

    SGM51613H:

    0.6LSB/+0.75LSB (TYP) for All Bipolar Ranges

    0.7LSB/+1.4LSB (TYP) for All Unipolar Range

 Integral Nonlinearity (INL):

    SGM51622H/SGM51652H:

    ±1LSB (TYP) for All Bipolar Ranges

    ±1.5LSB (TYP) for All Unipolar Range

    SGM51613H:

    ±1.5LSB (TYP) for All Bipolar Ranges

    ±2LSB (TYP) for All Unipolar Range

 Signal-to-Noise Ratio (SNR):

    SGM51622H/SGM51652H: 91dB (TYP)

    SGM51613H: 90.5dB (TYP)

 Total Harmonic Distortion (THD):

    SGM51622H/SGM51652H: -104dB (TYP)

    SGM51613H: -100dB (TYP)

 Alarm Features

 Daisy-Chain Operation

 -40℃ to +125℃ Operating Temperature Range

 Available in Green TSSOP-16 and TQFN-4×4-16L Packages

DESCRIPTION

The SGM51613H, SGM51652H, and SGM51622H are a series of high-precision successive approximation (SAR) analog-to-digital converters (ADCs).
These ADCs are powered by a single unipolar 5V, and support true bipolar ±10.24V, ±5.12V, and ±2.56V inputs, as well as unipolar input ranges of 0V to 10.24V and 0V to 5.12V. The input range is configured by software.
These chips provide over-voltage protection at input, which is up to ±20V.
These chips have an on-chip high accuracy and low drift 10ppm reference.
The input impedance of these chips is ~1MΩ and it is independent of the input range selection.
The digital interface is compatible to the traditional SPI protocol.
The SGM51613H, SGM51652H, and SGM51622H are available in Green TSSOP-16 and TQFN-4×4-16L packages. They are all specified from -40to +125.

APPLICATION CIRCUIT
PIN CONFIGUTION
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